Natural blue green sapphire weighing 1.04 carats, featuring an emerald cut, blue-green colour and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, suitable for September birthstone jewellery.
This natural blue green sapphire displays an attractive blend of blue and green tones with an elegant emerald cut that enhances symmetry and depth. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, anniversary ring, pendant or personalised jewellery design.
Quick Summary
- Natural blue green sapphire
- Weight: 1.04 carats
- Emerald cut loose gemstone
- Colour: Blue Green
- Treatment: Heat Treated
- Birthstone: September
- Mohs Hardness: 9
- Suitable for custom jewellery
Blue green sapphires are valued for their distinctive natural colour combination and durability. As a member of the corundum family with a Mohs hardness of 9, sapphire is suitable for jewellery intended for regular wear when professionally set. The emerald cut provides a refined appearance with clean lines and elegant step-cut reflections.
As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Blue green sapphires are appreciated by buyers seeking a gemstone with an individual appearance while retaining the classic qualities associated with sapphire.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Blue Green Sapphire
- Shape & Cut: Emerald Cut
- Weight: 1.04 Carats
- Colour: Blue Green
- Treatment: Heat Treated
- Hardness: Mohs 9
- Measurements: 5.20 × 5.90 × 3.35 mm
- Birthstone: September
- Sold As: Loose Gemstone (Unset)
Certification & Authenticity
This gemstone is identified as a natural sapphire. Please refer to the product specifications for disclosed treatment information.
Seller Notes: A clean gemstone. Natural internal characteristics may be visible under 10× magnification and are consistent with natural earth-mined sapphires.
Jewellery Applications
This listing is for a loose gemstone only and does not include a finished jewellery setting.
Suitable applications include:
- Custom engagement rings
- Anniversary rings
- Pendants and necklaces
- Halo ring designs
- Solitaire ring settings
- September birthstone jewellery
- Bespoke fine jewellery projects
Custom jewellery services are available in gold, rose gold, white gold, platinum and silver upon request.
Why Choose This Gemstone?
Blue green sapphires are appreciated for their natural blend of cool blue and green tones, creating a distinctive appearance that differs from traditional blue sapphires. Every natural gemstone displays its own colour characteristics, making each sapphire unique. Their durability and timeless style make them suitable for both contemporary and classic jewellery designs.
Explore Related Collections
Browse related collections and educational resources:
- Blue Green & Teal Sapphire Collection
- Natural Sapphire Collection
- All Loose Sapphire Gemstones
- Custom & Ready-to-Wear Jewellery
- Gemstone Education Articles
- Contact Us
Shipping & Returns
Worldwide shipping is available using secure packaging. Buyers are responsible for any applicable customs duties or import taxes.
Returns are accepted within 15 days of delivery, provided the gemstone is returned unused and in its original condition according to our published return policy.
Frequently Asked Questions
Is this a natural blue green sapphire?
Yes. This gemstone is a natural earth-mined sapphire.
Has this sapphire been treated?
Yes. This sapphire has undergone heat treatment as disclosed in the specifications.
Is this sold as a finished ring?
No. This listing is for a loose gemstone only. Custom jewellery settings are available separately.
Is this gemstone suitable for an engagement ring?
Yes. Its durability and emerald cut make it suitable for custom engagement ring designs when professionally set.
Will the gemstone colour vary under different lighting?
Yes. Natural blue green sapphires may display subtle colour variation under different lighting conditions due to their natural colour characteristics.








